Finding the Fourth Proportional to 1,896.67, 2,845.56 and 1,377.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.67 : 2,845.56 = 1,377.19 : x
2. Step 2: Convert to fraction form
   1,896.67/2,845.56 = 1,377.19/x
3. Step 3: Cross multiply
   1,896.67x = 2,845.56 × 1,377.19
4. Step 4: Simplify right side
   1,896.67x = 3,918,869.89
5. Step 5: Solve for x
   x = 3,918,869.89/1,896.67
6. Step 6: Final answer
   x = 2,066.18